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Finding the Fourth Proportional to 293,360.80, 440,055.60 and 153,392.80

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Solution

The fourth proportional to 293,360.80, 440,055.60 and 153,392.80 is: 230,096.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,360.80 : 440,055.60 = 153,392.80 : x
  2. Step 2: Convert to fraction form
    293,360.80/440,055.60 = 153,392.80/x
  3. Step 3: Cross multiply
    293,360.80x = 440,055.60 × 153,392.80
  4. Step 4: Simplify right side
    293,360.80x = 67,501,360,639.68
  5. Step 5: Solve for x
    x = 67,501,360,639.68/293,360.80
  6. Step 6: Final answer
    x = 230,096.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.